Simulation investigation on supercontinuum generation and noise characteristics in the normal dispersion photonic crystal fiber with a flattened dispersion profile

Abstract

The propagation of picosecond pulses in the normal dispersion photonic crystal fiber (PCF) with a flattened dispersion profile is numerically investigated. The characteristics of the amplitude and phase noise in the supercontinuum generation (SCG) are also analyzed through the coherent sliced supercontinuum (SC). The effects of self-phase modulation (SPM) and four-wave mixing (FWM) on broadening of the pulse spectrum are presented, and the best amplitude and phase noise performance with a specific fiber length is obtained. The SCG in the wavelength range of 1475 to 1625 nm has only fluctuation between ±1.5 dB, and both the amplitude and phase noise caused by the intensity noise of the input power is below 2.5% in the range of 1500 to 1600 nm.

Keywords

Fiber Length / Phase Noise / Stimulate Raman Scattering / Photonic Crystal Fiber / Noise Characteristic

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